Beyond the bottlenecks: 11 solutions that work and what Greece is doing about them

Last week we mapped the 11 structural problems slowing Greece's energy transition.

Here's what fixes them. One proven European policy per problem, and what Greece is doing to follow suit.

The grid

1. We're producing clean energy, then throwing it away

The problem: In 2025, Greece wasted 1,867 GWh of clean power, enough for 500,000+ homes. Double the year before.

What works: Germany built smart grid software (Redispatch 2.0) that routes power around bottlenecks in real time instead of switching off the source. 96% of clean electricity now reaches consumers.

Greece: RAAEY Decision E-89A/2025 means the grid operator ADMIE now covers 50% of new connection costs, down from 100% on the developer. Live now.

2. Solar peaks at noon. Demand peaks at dinner.

The problem: Without batteries to bridge that gap, cheap solar is wasted and gas plants fire up instead.

What works: Ireland created a programme (DS3) that pays battery operators for grid stability services, giving them reliable income from day one. Battery capacity doubled in a single year.

Greece: Law 5151/2024 lets private investors build grid-scale batteries without subsidies, with priority connection. PPC and Metlen have formed a joint venture to deploy 1,500 MW of storage across SE Europe.

3. ~30 islands still run on diesel

The problem: The Crete cable only began testing in late 2024. The Dodecanese and Northern Aegean are still isolated.

What works: Graciosa, a Portuguese island (pop. 4,500), went from 100% diesel to 61% clean energy, with 139 fully diesel-free days in 2024. Solar, wind, one battery. Fuel savings: €1.9M/year.

Greece: A €1.6B Islands Decarbonisation Fund launched in November 2024 (EIB-managed, potentially €3.8B by 2032). At least half goes to renewables and batteries.

The market

4. Your bill reflects the price of gas, even when the sun is shining

The problem: Bills are 46% higher than 2019, despite record solar output. Why? The most expensive source running at any moment (usually gas) sets the price for everyone.

What works: Spain and Portugal capped what gas could charge in the wholesale market. Result: 43% price drop. ~€5B in consumer savings. Prices 57% below the EU average.

Greece: From July 2027, EU law (Directive 2024/1711) requires new renewable projects to operate under fixed-price contracts that lock in cheap rates long-term, permanently breaking the link between your bill and the gas market.

5. The companies best placed to fix this profit from not fixing it

The problem: When gas prices spike, existing wind and solar farms sell at the gas price. Windfall profits for PPC and Metlen. Investing in batteries would end those windfalls.

What works: Three things are shifting the economics:

• Fixed-price contracts (see 4) cap profits on new projects

• A €500M EIB programme (June 2025) backstops large companies buying renewable power directly, bypassing the wholesale market

• PPC and Metlen are channelling profits into the 1,500 MW battery joint venture

The incentives aren't perfect. But the capital is flowing.

6. Electricity prices go negative at midday

The problem: When solar floods the grid, producers effectively pay to dump power. 280 hours of zero or negative prices in Greece (Jan–Sep 2025). Investors see unpredictable returns and move money elsewhere.

What works: For producers, fixed-price contracts and battery revenue models (see 2 and 4) guarantee minimum income.

For consumers, Scandinavian apps like Tibber pass real-time prices to households. When prices crash at noon, your appliances run automatically, because the power is essentially free.

Greece needs time-of-day billing. If electricity is free at noon, consumers should see it. Simplest fix on this list. Costs the state nothing.

Gas dependence

7. 78% of Greece's energy is imported. Over half its gas comes from Russia.

The problem: Greek gas consumption grew 30% in 2024, the fastest in the EU. Russian gas: ~55% of Greek imports vs. 13% EU average.

What works: Denmark replaced ~40% of its fossil gas with biomethane, gas made from farm waste, injected straight into the existing gas grid.

Greece: Greece passed two laws in July 2025: Law 5215/2025 creates a licensing framework for biomethane production with grid injection rights. Law 5251/2025 establishes a 25-year digital hydrogen production licence. Both live. Both accepting applications.

Won't replace Russian gas overnight. But 12 months ago, this legal foundation didn't exist.

Supply vs. demand

8. Building clean energy faster than the country can use it

The problem: Solar and wind capacity rising fast. Factories, homes, and businesses aren't electrifying fast enough to absorb the surplus.

What works: The Netherlands: solar panels installed above active farmland. Farmers earn electricity revenue; panels protect crops from heat and drought. Research shows 15–16% higher berry yields under partial shade. Combined land productivity: 178%.

For Greece, where 85% of water goes to agriculture and droughts are worsening, this solves two problems at once: it uses midday solar AND protects farming.

Greece: For households, a September 2024 regulation (GG 5074) means surplus rooftop solar is now compensated at real wholesale prices, updated every 15 minutes. Your own power, tied to real market value.

9. EVs booming, chargers missing, cars charging at the wrong time

The problem: EV sales up 300%. Only 808 fast chargers (target: 2,728). 93% in Athens and Thessaloniki.

What works: The Netherlands: 183,000 public charge points. 10 per 1,000 people, EU #1. They built chargers before demand peaked, not after.

Utrecht went further: parked EVs feed power back into the neighbourhood during evening peaks. Cars as distributed batteries, charging on cheap solar, selling back when prices rise.

Greece: Greece is adopting EU rules requiring highway chargers to support two-way energy flow.

10. We're still subsidising the fuels causing the problem

The problem: €1.9 billion in fossil fuel support (OECD, 2020). Over 25% of all energy tax revenue. This makes clean alternatives look expensive by comparison.

What works: The hardest problem on this list. No EU country has fully eliminated fossil subsidies. But the Netherlands mapped every subsidy and published a binding phase-out commitment.

The practical move for Greece: don't remove subsidies overnight, redirect them. France conditions EV purchase subsidies on the car's carbon footprint. Apply the same logic: tie public money to clean adoption.

Bureaucracy

11. Paperwork is blocking rooftop solar

The problem: Rooftop solar is the fastest, cheapest pressure relief for the grid. But projects are stuck in admin queues. By mid-2025, only Greece and Finland were still "significantly off-track" on EU permitting reform.

What works: Germany: one legal declaration (all renewable energy serves "overriding public interest") shielding projects from routine objections. Combined with digital permitting: capacity doubled in one year. Wind approvals up 85%.

Greece: Greece is transposing the EU's updated rules (RED III), creating fast-track zones for renewables. For rooftop solar under 100 kW: if the authority doesn't respond in time, the permit is automatically approved.

Won't fix utility-scale permitting. But for rooftop solar, the easiest win on this list, it removes the last barrier.

Where this leaves us

11 problems. 11 proven fixes. At least 6 with Greek legislation already in place.

The transition isn't about more panels and turbines. It's about the rules, markets, and infrastructure behind them.

Blueprints here. Laws moving. Execution needed, fast.

Sources

• renewable-energy-industry.com – Germany Redispatch 2.0

• Reed Smith; e-nomothesia.gr – RAAEY Decision E-89A/2025

• EirGrid; energy-storage.news – Ireland DS3 programme

• kalaw.gr; bernitsaslaw.com – Law 5151/2024 (battery storage)

• ppcgroup.com – PPC–Metlen storage joint venture

• POWER Magazine; Leclanché – Graciosa island, Portugal

• PV Magazine; Reuters; European Commission – Islands Decarbonisation Fund

• energypolicy.columbia.edu; CEPR – The Iberian exception (gas price cap)

• EUR-Lex – EU Directive 2024/1711

• eib.org – EIB PPA programme

• Nord Pool; Tibber; Eurelectric – Dynamic electricity pricing

• Danish Energy Agency (ens.dk) – Denmark biomethane

• e-nomothesia.gr; Reed Smith – Law 5215/2025 (biomethane) and Law 5251/2025 (hydrogen)

• BayWa r.e.; Ember; Wageningen University – Agri-PV

• kglawfirm.gr – GG 5074/2024 (rooftop solar compensation)

• IEA (2024) – Netherlands national charging infrastructure

• We Drive Solar; UNECE – Utrecht vehicle-to-grid

• Dutch Ministry of Economic Affairs; OECD – Netherlands fossil fuel subsidy phase-out

• Yale e360 – Germany EEG 2023

• EUR-Lex – RED III (Renewable Energy Directive)